Knife



FIG. 1 is a perspective view of the knife showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a side elevation view of the opposite side;

FIG. 4 is a top plan view thereof, and,

FIG. 5 is a bottom view thereof. 

CLAIM The ornamental design for a knife, as shown and described. 